Kumar, B. Rajesh
Dr.B.Rajesh Kumar, Assistant Professor, Department of Physics, GITAM (Deemed to be University), Visakhapatnam, A.P, India Dr.B.Hymavathi, Assistant Professor, Department of Physics, ANITS, Visakhapatnam, A.P, India Prof.T.Subba Rao, UGC-BSR Faculty, Department of Physics, Sri Krishnadevaraya University, Anantapur, A.P, India